Google

Chirp 3

Measured 2026-10-01

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One API, every model on this board.

WER · batch

3.9%

WER · streaming

Read speech

5.89%

Conversation

18.43%

Details

Read speech

n=1541 · FLEURS test+dev+train · vendor-direct

Conversation

15.2–21.8% · EdAcc n=283 · 60 speakers, 2 passes, 2026-10-01

Finalize

—

not measured on the vendor-direct regional sweep

Time to first token

—

not measured on the vendor-direct regional sweep

Cost / min

$0.0160

Speech-to-Text V2 Standard, first tier — one rate for streaming, sync and batch. Dynamic Batch Recognition is $0.003.

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https://speko.ai/benchmarks/stt/google-chirp-3